<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div{
            width: 200px;
            height: 200px;
            border: 1px solid red;
            /*scroll超出区域滚动显示*/
            overflow: scroll;/*hidden设置超出区域隐藏*/
        }
        img{
            vertical-align: bottom;
        }
    </style>
</head>
<body>
<input type="text"><img src="../b.jpg" style="width: 50px">
<div>
    <img src="../b.jpg" alt="">
</div>
</body>
</html>